A guide wheel welding device

Abstract

This utility model provides a convenient guide wheel welding device, relating to the field of welding device technology. The device includes a body with a frame rod fixedly connected to its top. A support arm is slidably connected to one side of the frame rod. An auxiliary device is connected to the output end of a servo motor via a reducer. The auxiliary device includes a grooved plate, a sliding rod slidably connected to the inner wall of the grooved plate, and metal plates on both sides of the outer surface of the support rod. By incorporating this auxiliary device, when welding the guide wheel, the guide wheel is placed between three positioning blocks. A spring pushes the sliding rod to make the positioning blocks adhere to the outer surface of the guide wheel. The expansion of the metal plates fixes the position of the collar on the outer surface of the support rod and the position of the positioning blocks. The guide wheel is fixed by pressing down on its outer edge, avoiding obstruction during surface processing and improving the practicality of the welding device.

Description

Technical Field

[0001] This utility model relates to the field of welding device technology, and in particular to a convenient guide wheel welding device. Background Technology

[0002] As a core component of the walking system of construction machinery (such as excavators, bulldozers, and pavers), the idler wheel mainly guides the track direction and adjusts the track tension. Its structure usually includes key components such as wheel body, hub, and bushing, and welding equipment is often used to connect the components.

[0003] When welding guide wheels using a welding device, the contact points between the disc and the hub must be fully welded, including both the outer and inner rings. To ensure stability during welding, a clamping plate is typically used to fix the guide wheel in place. However, after the outer ring is welded, the clamping plate must be readjusted to secure it, facilitating the welding of the inner ring. This step not only reduces welding efficiency but also introduces inconvenience, diminishing the practicality of the welding device. Utility Model Content

[0004] The purpose of this invention is to address the problem that, to ensure the stability of the welding process, a clamping plate is typically used to fix the position of the guide wheel. However, after the outer ring is welded, the position of the clamping plate needs to be readjusted to fix the outer ring, thus facilitating the welding of the inner ring. This step not only reduces welding efficiency but also causes inconvenience in use, leading to a decrease in the practicality of the welding device. Therefore, this invention proposes a user-friendly guide wheel welding device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a convenient guide wheel welding device, comprising a body, a frame rod fixedly connected to the top of the body, a support arm slidably connected to one side of the frame rod, a drive motor provided at the top of the frame rod, a lead screw provided inside the frame rod, the drive motor being used to drive the lead screw to rotate, one end of the inner wall of the support arm being threadedly connected to the outer surface of the lead screw inside the frame rod, a welding head provided at one end of the support arm, the welding head being mounted on the outer surface of the support arm via a sliding block, the position of the welding head being adjusted by moving the sliding block, a frame plate fixedly connected to one side of the body, a servo motor provided on the outer surface of the frame plate, the output end of the servo motor being connected to an auxiliary device via a reducer to facilitate fixing the position of the guide wheel on the frame plate.

[0006] Preferably, the auxiliary device includes a tray, the bottom end of which is connected to a shaft at the top of the output end of a servo motor. A support rod is fixedly connected to the inner wall of the tray, and several grooved rods are fixedly connected to the outer surface of the tray. A sliding rod is slidably connected to the inner wall of each grooved rod, and a spring is provided at one end of each sliding rod. The two ends of the spring are fixedly connected to one end of the sliding rod and one end of the inner wall of each grooved rod, respectively. A positioning block is fixedly connected to the end of the sliding rod away from the spring. Several rectangular grooves are formed on the outer surface of the tray, and the end of the sliding rod away from the grooved rod slides on the inner wall of one of the rectangular grooves. A connecting rod is rotatably connected to the bottom end of the sliding rod. A collar is slidably connected to the outer surface of the support rod. The end of the connecting rod at the bottom of each slide rod away from the slide rod is rotatably connected to the outer surface of the collar. An electric push rod is provided on one side of the inner wall of the grooved plate. An oil cylinder is fixedly connected to one side of the inner wall of the grooved plate. Hydraulic oil is provided inside the oil cylinder. A piston is slidably connected to the inner wall of the oil cylinder. The output rod of the electric push rod is fixedly connected to one end of the piston. An oil groove is opened inside the support rod. The inside of the oil groove is connected to one end of the oil cylinder through a pipeline. Metal plates are provided on both sides of the outer surface of the support rod. The metal plates close the openings of the oil groove on both sides of the outer surface of the support rod.

[0007] The effect achieved by the above components is as follows: When welding the guide wheel using a welding device after setting the grooved plate, the guide wheel disc is placed on the outer surface of the hub for alignment. Then, the guide wheel is placed horizontally downwards on the outer surface of the grooved plate. When the bottom end of the guide wheel contacts one side of each positioning block, it pushes each positioning block to slide along the inner wall of the grooved rod via the slide rod, compressing the spring and moving the position. Simultaneously, the connecting rod at the bottom end of the slide rod rotates on one side of the slide rod, pulling the collar upwards on the outer surface of the support rod. When the bottom surface of the guide wheel contacts the outer surface of the grooved plate, the spring returns to its original state, pushing the slide rod to make one side of the positioning block adhere to the outer surface of the guide wheel. Then, the electric push rod can be operated to extend and push the piston inside the oil cylinder to move, allowing the hydraulic oil inside the oil cylinder to enter through the pipeline. When the hydraulic oil in the oil tank is full, it will push the two metal plates on the outer surface of the support rod to deform and expand outward. The metal plates will press against the inner wall of the collar, fixing the collar on the outside of the support rod and the sliding rod on the groove plate. Then, the drive motor at the top of the support rod is controlled by the control box on one side of the machine to drive the screw to rotate, causing the support arm to move downward on the outer surface of the support rod. This allows the bottom of the welding head to contact the guide wheel hub and the outer surface of the plate for welding. To adjust the welding position, the sliding block on the outer surface of the support arm is pushed to move the position of the welding head. After welding is completed, the electric push rod is operated to retract, driving the piston to extract the hydraulic oil from the oil tank. After the expanded metal plates return to their original shape, the guide wheel is lifted from the outer surface of the groove plate.

[0008] Preferably, the top edge of the positioning block is provided with an arc-shaped rounded corner.

[0009] The effect achieved by the above components is that by setting the top of the positioning block with an arc-shaped rounded corner, it is easier to press the guide wheel down into the space between the three positioning blocks.

[0010] Preferably, one side of the metal sheet is provided with a raised strip, which is made of rubber.

[0011] The effect achieved by the above components is that by setting the rubber protrusions, the friction between the metal sheet and the inner wall of the collar after expansion can be further increased, thereby improving the positional fixation of the ring.

[0012] Preferably, a diagonal rod is fixedly connected to one side of the top of the positioning block, and a rotating wheel is rotatably connected to the end of the diagonal rod away from the positioning block.

[0013] The effect achieved by the above components is that when the slide bar moves on the inner wall of the groove bar, the wheel at the end of the inclined bar away from the positioning block will roll on the outer surface of the groove bar, and the positioning block will be supported by the inclined bar, thereby improving the relative positional stability between the positioning block and the slide bar and the groove bar.

[0014] Preferably, a round rod is fixedly connected to the inner wall of the groove rod, a sliding rod slides on the outer surface of the round rod, and a spring is sleeved on the outer side of the round rod.

[0015] The effect achieved by the above components is that when the slide bar moves and the spring deforms, the round bar can reinforce the internal shape of the spring, preventing the spring inside the groove bar from twisting and causing the position of the slide bar and the positioning block to deviate, thus affecting the normal movement of the collar.

[0016] Preferably, the outer surface of the tray has two auxiliary grooves, which are located on opposite sides of the outer surface of the tray.

[0017] The effect achieved by the above components is that when removing the guide wheel, the bottom surface of the guide wheel can be held at the auxiliary slot, making it easy to lift the guide wheel away from the outer surface of the slot.

[0018] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0019] In this invention, by setting an auxiliary device, when welding the guide wheel, the guide wheel is placed between three positioning blocks, and the positioning blocks are made to fit against the outer surface of the guide wheel by pushing the slide rod with a spring. The position of the collar on the outer surface of the support rod and the position of the positioning blocks are fixed by expanding the metal sheet. The guide wheel is fixed by pressing the outer edge of the guide wheel, which avoids obstruction when processing the surface of the guide wheel and improves the practicality of the welding device. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a three-dimensional structural diagram of the body of this utility model;

[0022] Figure 3 This is a three-dimensional structural diagram of the groove plate of this utility model;

[0023] Figure 4 This is a partial cross-sectional three-dimensional structural diagram of the grooved rod of this utility model;

[0024] Figure 5 This is a partial cross-sectional three-dimensional structural diagram of the support rod of this utility model;

[0025] Figure 6 This is a three-dimensional structural diagram of the collar of this utility model.

[0026] Legend: 1. Body; 2. Auxiliary device; 21. Groove; 22. Support rod; 23. Collar; 24. Connecting rod; 25. Rectangular groove; 26. Grooved rod; 27. Spring; 28. Slide rod; 29. ​​Positioning block; 210. Oil groove; 211. Oil cylinder; 212. Piston; 213. Electric push rod; 214. Metal sheet; 215. Raised strip; 216. Diagonal rod; 217. Round rod; 218. Auxiliary groove; 3. Frame rod; 4. Support arm; 5. Welding head; 6. Frame plate; 7. Servo motor. Detailed Implementation

[0027] Example 1, as Figure 1-2 As shown, a convenient guide wheel welding device includes a body 1. A support rod 3 is fixedly connected to the top of the body 1. A support arm 4 is slidably connected to one side of the support rod 3. A drive motor is installed at the top of the support rod 3. A lead screw is installed inside the support rod 3. The drive motor is used to drive the lead screw to rotate. One end of the inner wall of the support arm 4 is threadedly connected to the outer surface of the lead screw inside the support rod. A welding head 5 is installed at one end of the support arm 4. The welding head 5 is installed on the outer surface of the support arm 4 through a sliding block. Moving the sliding block can adjust the position of the welding head 5. A frame plate 6 is fixedly connected to one side of the body 1. A servo motor 7 is installed on the outer surface of the frame plate 6. The output end of the servo motor 7 is connected to an auxiliary device 2 through a reducer to facilitate fixing the position of the guide wheel on the frame plate 6.

[0028] Reference Figure 1-6As shown in this embodiment: the auxiliary device 2 includes a tray 21. The bottom end of the tray 21 is connected to the shaft at the top of the output end of the servo motor 7. A support rod 22 is fixedly connected to the inner wall of the tray 21. Several slotted rods 26 are fixedly connected to the outer surface of the tray 21. A sliding rod 28 is slidably connected to the inner wall of the slotted rod 26. A spring 27 is provided at one end of the sliding rod 28. The two ends of the spring 27 are fixedly connected to one end of the sliding rod 28 and one end of the inner wall of the slotted rod 26, respectively. A positioning block 29 is fixedly connected to the end of the sliding rod 28 away from the spring 27. Several rectangular slots 25 are opened on the outer surface of the tray 21. The end of the sliding rod 28 away from the slotted rod 26 slides on the inner wall of the rectangular slot 25. A connecting rod 24 is rotatably connected to the bottom end of the sliding rod 28. The outer surface of the support rod 22 is slidably connected to the connecting rod 25. A collar 23 is attached. The end of the connecting rod 24 at the bottom of each slide rod 28, away from the slide rod 28, is rotatably connected to the outer surface of the collar 23. An electric push rod 213 is provided on one side of the inner wall of the grooved plate 21. An oil cylinder 211 is fixedly connected to one side of the inner wall of the grooved plate 21. Hydraulic oil is provided inside the oil cylinder 211. A piston 212 is slidably connected to the inner wall of the oil cylinder 211. The output rod of the electric push rod 213 is fixedly connected to one end of the piston 212. An oil groove 210 is opened inside the support rod 22. The inside of the oil groove 210 is connected to one end of the oil cylinder 211 through a pipeline. Metal plates 214 are respectively provided on both sides of the outer surface of the support rod 22. The metal plates 214 close the openings of the oil groove 210 on both sides of the outer surface of the support rod 22. By setting the grooved plate 21, the... When welding the guide wheel using a welding device, the guide wheel disc is placed on the outer surface of the hub and aligned. Then, the guide wheel is placed horizontally downwards on the outer surface of the grooved plate 21. When the bottom end of the guide wheel contacts one side of each positioning block 29, it pushes each positioning block 29 to slide along the inner wall of the grooved rod 26 via the slide rod 28, compressing the spring 27 and causing it to move. Simultaneously, the connecting rod 24 at the bottom end of the slide rod 28 rotates on one side of the slide rod 28, pulling the collar 23 upwards on the outer surface of the support rod 22. When the bottom surface of the guide wheel contacts the outer surface of the grooved plate 21, the spring 27 returns to its original position, pushing the slide rod 28 to make one side of the positioning block 29 fit against the outer surface of the guide wheel. Then, the electric push rod 213 can be operated to extend and push the piston 21 inside the oil cylinder 211. 2. Movement allows hydraulic oil inside the oil cylinder 211 to enter the oil tank 210 through the pipeline. When the oil tank 210 is full of hydraulic oil, it will push the two metal plates 214 on the outer surface of the support rod 22 to deform and expand outward. The metal plates 214 will compress the inner wall of the collar 23, fixing the position of the collar 23 on the outside of the support rod 22 and the position of the sliding rod 28 on the groove plate 21. Then, the drive motor at the top of the support rod 3 is controlled by the control box on one side of the machine body 1 to drive the lead screw to rotate, causing the support arm 4 to move downward on the outer surface of the support rod 3, so that the bottom end of the welding head 5 contacts the guide wheel hub and the outer surface of the plate for welding. When adjusting the welding position, the sliding block on the outer surface of the support arm 4 is pushed to move the position of the welding head 5. After welding is completed,The operation of the electric push rod 213 retracts, driving the piston 212 to extract the hydraulic oil from the oil tank 210. After the expanded metal sheet 214 returns to its original shape, the guide wheel can be lifted from the outer surface of the groove plate 21. By setting the auxiliary device 2, when welding the guide wheel, the guide wheel is placed between three positioning blocks 29. The spring 27 pushes the slide rod 28 to make the positioning blocks 29 fit against the outer surface of the guide wheel. The expansion of the metal sheet 214 fixes the position of the collar 23 on the outer surface of the support rod 22 and the position of the positioning blocks 29. The guide wheel is fixed by pressing the outer edge of the guide wheel, avoiding obstruction during the surface processing of the guide wheel and improving the practicality of the welding device.

[0029] Reference Figure 2-6 As shown in this embodiment: the top edge of the positioning block 29 is provided with an arc-shaped rounded corner. By providing an arc-shaped rounded corner at the top of the positioning block 29, it is easier to press the guide wheel down into the space between the three positioning blocks 29. A protrusion 215 is provided on one side of the metal sheet 214. The protrusion 215 is made of rubber. By providing the rubber protrusion 215, the friction between the metal sheet 214 and the inner wall of the collar 23 after expansion can be further increased, thereby improving the positional fixation effect of the ring.

[0030] Reference Figure 2-6 As shown, in this embodiment: a diagonal rod 216 is fixedly connected to one side of the top of the positioning block 29. A wheel is rotatably connected to the end of the diagonal rod 216 away from the positioning block 29. When the sliding rod 28 moves on the inner wall of the groove rod 26, the wheel at the end of the diagonal rod 216 away from the positioning block 29 will roll on the outer surface of the groove rod 26. The positioning block 29 is supported by the diagonal rod 216, improving the relative positional stability between the positioning block 29, the sliding rod 28, and the groove rod 26. A round rod 217 is fixedly connected to the inner wall of the groove rod 26. The sliding rod 28 slides on the outer surface of the round rod 217. A spring 27 is sleeved on... On the outside of the round rod 217, when the slide rod 28 moves and causes the spring 27 to deform, the round rod 217 can reinforce the internal shape of the spring 27, preventing the spring 27 inside the groove rod 26 from twisting and causing the slide rod 28 and the positioning block 29 to deviate from their positions, affecting the normal movement of the collar 23. Two auxiliary grooves 218 are opened on the outer surface of the groove plate 21. The two auxiliary grooves 218 are located on opposite sides of the outer surface of the groove plate 21. When the guide wheel is removed, it can be held at the bottom surface of the guide wheel at the auxiliary groove 218, which makes it easy to lift the guide wheel away from the outer surface of the groove plate 21.

[0031] Working principle: When welding the guide wheel using a welding device, the guide wheel disc is placed on the outer surface of the hub for alignment. Then, the guide wheel is placed horizontally downwards on the outer surface of the grooved plate 21. When the bottom end of the guide wheel contacts one side of each positioning block 29, it pushes each positioning block 29 to slide along the inner wall of the grooved rod 26 via the slide rod 28, compressing the spring 27 and causing it to move. Simultaneously, the connecting rod 24 at the bottom of the slide rod 28 rotates on one side of the slide rod 28, pulling the collar 23 upwards on the outer surface of the support rod 22. When the bottom surface of the guide wheel contacts the outer surface of the grooved plate 21, the spring 27 returns to its original state, pushing the slide rod 28 to make one side of the positioning block 29 adhere to the outer surface of the guide wheel. Then, the electric push rod 213 can be operated to extend and push the piston 212 inside the oil cylinder 211 to move, allowing the hydraulic oil inside the oil cylinder 211 to enter the oil groove 210 through the pipeline. When the hydraulic oil inside the oil tank 210 is full, it will push the two metal plates 214 on the outer surface of the support rod 22 to deform and expand outward. The metal plates 214 will squeeze the inner wall of the collar 23, fixing the position of the collar 23 on the outside of the support rod 22 and the position of the slide rod 28 on the groove plate 21. Then, the drive motor at the top of the support rod 3 is controlled by the control box on one side of the machine body 1 to drive the screw to rotate, so that the support arm 4 moves downward on the outer surface of the support rod 3, so that the bottom end of the welding head 5 contacts the guide wheel hub and the outer surface of the plate for welding. When adjusting the welding position, the sliding block on the outer surface of the support arm 4 is pushed to move the position of the welding head 5. After the welding is completed, the electric push rod 213 is operated to retract, driving the piston 212 to extract the hydraulic oil inside the oil tank 210. After the expanded metal plates 214 return to their original shape, the guide wheel is lifted from the outer surface of the groove plate 21.

[0032] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may use the disclosed technical content to make changes or modifications to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model, without departing from the scope of the utility model's technical solution, still fall within the protection scope of this utility model's technical solution. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood through specific circumstances.

Claims

1. A user-friendly guide wheel welding device, comprising a body (1), characterized in that: The top of the body (1) is fixedly connected to a frame rod (3), and a support arm (4) is slidably connected to one side of the frame rod (3). A drive motor is provided at the top of the frame rod (3), and a lead screw is provided inside the frame rod (3). The drive motor is used to drive the lead screw to rotate. One end of the inner wall of the support arm (4) is threadedly connected to the outer surface of the lead screw inside the machine rod. One end of the support arm (4) is provided with a welding head (5). The welding head (5) is installed on the outer surface of the support arm (4) through a sliding block. The position of the welding head (5) can be adjusted by moving the sliding block. A frame plate (6) is fixedly connected to one side of the body (1). A servo motor (7) is provided on the outer surface of the frame plate (6). The output end of the servo motor (7) is connected to an auxiliary device (2) through a reducer to facilitate fixing the position of the guide wheel on the frame plate (6).

2. The easy-to-use guide wheel welding device according to claim 1, characterized in that: The auxiliary device (2) includes a tray (21), the bottom end of which is connected to the shaft at the top of the output end of the servo motor (7). A support rod (22) is fixedly connected to the inner wall of the tray (21). Several groove rods (26) are fixedly connected to the outer surface of the tray (21). A slide rod (28) is slidably connected to the inner wall of the groove rod (26). A spring (27) is provided at one end of the slide rod (28). The two ends of the spring (27) are fixedly connected to one end of the slide rod (28) and one end of the inner wall of the groove rod (26), respectively. A positioning block (29) is fixedly connected to the end of the slide rod (28) away from the spring (27). Several rectangular grooves (25) are opened on the outer surface of the tray (21). The end of the slide rod (28) away from the groove rod (26) slides on the inner wall of the rectangular groove (25). A connecting rod (24) is rotatably connected to the bottom end of the slide rod (28). The support rod (22) A collar (23) is slidably connected to the outer surface. The connecting rod (24) at the bottom of each slide rod (28) is rotatably connected to the outer surface of the collar (23) at one end away from the slide rod (28). An electric push rod (213) is provided on one side of the inner wall of the groove (21). An oil cylinder (211) is fixedly connected to one side of the inner wall of the groove (21). Hydraulic oil is provided inside the oil cylinder (211). A piston (212) is slidably connected to the inner wall of the oil cylinder (211). The output rod of the electric push rod (213) is fixedly connected to one end of the piston (212). An oil groove (210) is opened inside the support rod (22). The inside of the oil groove (210) is connected to one end of the oil cylinder (211) through a pipeline. Metal plates (214) are respectively provided on both sides of the outer surface of the support rod (22). The metal plates (214) close the openings of the oil groove (210) located on both sides of the outer surface of the support rod (22).

3. The easy-to-use guide wheel welding device according to claim 2, characterized in that: The top edge of the positioning block (29) is provided with an arc-shaped rounded corner.

4. The easy-to-use guide wheel welding device according to claim 3, characterized in that: The metal sheet (214) has a raised strip (215) on one side, and the raised strip (215) is made of rubber.

5. The easy-to-use guide wheel welding device according to claim 4, characterized in that: A diagonal rod (216) is fixedly connected to one side of the top of the positioning block (29), and a rotating wheel is rotatably connected to the end of the diagonal rod (216) away from the positioning block (29).

6. The easy-to-use guide wheel welding device according to claim 5, characterized in that: A round rod (217) is fixedly connected to the inner wall of the groove rod (26), a sliding rod (28) slides on the outer surface of the round rod (217), and a spring (27) is sleeved on the outer side of the round rod (217).

7. The easy-to-use guide wheel welding device according to claim 6, characterized in that: Two auxiliary grooves (218) are provided on the outer surface of the tray (21), and the two auxiliary grooves (218) are located on opposite sides of the outer surface of the tray (21).

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